@misc{indiciae7d4ea2287c4d,
  title = {Aeromagnetic map of the Big Snowy Mountains, Montana},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1979},
  doi = {10.3133/ofr79759},
  url = {https://pubs.usgs.gov/publication/ofr79759},
  note = {Source identifier: ofr79759}
}